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Finding the Fourth Proportional to 188,962.99, 260,768.91 and 104,080.06

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Solution

The fourth proportional to 188,962.99, 260,768.91 and 104,080.06 is: 143,630.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,962.99 : 260,768.91 = 104,080.06 : x
  2. Step 2: Convert to fraction form
    188,962.99/260,768.91 = 104,080.06/x
  3. Step 3: Cross multiply
    188,962.99x = 260,768.91 × 104,080.06
  4. Step 4: Simplify right side
    188,962.99x = 27,140,842,495.09
  5. Step 5: Solve for x
    x = 27,140,842,495.09/188,962.99
  6. Step 6: Final answer
    x = 143,630.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.